StockCIK 910638

3D SYSTEMS CORP (DDD): Insider Trades and Fund Holdings

In the past 12 months, 3D SYSTEMS CORP insiders reported 0 open-market purchases worth $0 and 3 sales worth $635K; 0 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months

$0Bought by insiders, 12 months

$635KSold by insiders, 12 months

1Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 18, 2026.

Recent DDD insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Sep 18	Sep 17	Jeffrey A. GravesCEO	CEO	▼ SELL	42,686	3.55	$152K	−3.3%	Form 4 ↗
Sep 18	Sep 17	Phyllis B. NordstromCFO	CFO	▼ SELL	30,000	3.58	$107K	−4.0%	Form 4 ↗
Aug 21	Aug 20	Jeffrey A. GravesCEO	CEO	▼ SELL	115,500	3.26	$377K	−8.1%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Jeffrey A. Graves	CEO	0	$0	2	$528K	Sep 18, 2026
Phyllis B. Nordstrom	CFO	0	$0	1	$107K	Sep 18, 2026

Tracked funds that report DDD

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Renaissance Technologies	Q2 2026	1,632,334	$4.93M	0.01%	▲ +40.8%

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →